介绍了开发的ＤＦＵ铝熔体净化装置的工艺和结构特点，通过生产应用证明了该装置对铝熔体净化效率高，操作方便和经济适用，有推广应用价值。 The process and structural characteristics of the developed DFU aluminum melt purifier are introduced. The production and application of the device proves that the device has the advantages of high purification efficiency, convenient operation and economical application, and has the popularization and application value.